FreeCalypso > hg > themwi-system-sw

annotate mgw/dtmf_defs.h @ 176:f5c4f9a764be

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osmo-bts-rtp-bfi.patch: updated version This version of the osmo-bts patch sets the TAF bit correctly in generated RTP BFI packets, correctly generates RTP BFI in the case of FACCH stealing on sysmoBTS, and removes one EFR-specific bogon from sysmoBTS code.
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 17 Feb 2023 18:27:03 -0800
parents a6eb2de277f6
children
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815e4c59162e mgw DTMF: tone definitions and sample array generation
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1 /*
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2 * This header file holds various internal definitions for DTMF generation,
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a6eb2de277f6 mgw: massive simplification for continuous RTP stream from BTS
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3 * including DTMF_MAX_FRAMES limit.
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4 */
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6 #define DTMF_MAX_FRAMES 60 /* 1200 ms */
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8 struct dtmf_desc {
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9 int digit;
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10 float freq_low;
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11 float freq_high;
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12 int16_t *samples;
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13 };